§
Luxuse
Patent Intelligence
Sign In
← Back to Companies

Duro Test Corp

Duro Test
Active Patents
0
Total Holdings
2

Patent Holdings

Filter in Explorer →
Patent No. Title Status Filing Date Grant Date Claims Actions
US2710270A Coated filaments and their production Expired / Lapsed 1954-02-09 1955-06-07 1 Details
US2155816A Starting and operating circuit for gaseous electric dischar… Expired / Lapsed 1938-10-12 1939-04-25 0 Details